The image shows a man sitting in a dental chair with his mouth open, receiving dental care from a dentist who is using a drill on his teeth.

Dental Fillings

How a Filling Restores Strength, Shape, and Comfort

When a tooth's surface is weakened by decay or minor damage, a filling is the conservative way to rebuild what’s been lost. A properly placed restoration returns a tooth to its natural contours so it can chew comfortably, resist further breakdown, and work in harmony with the teeth around it.

Fillings are a routine part of modern dentistry because they preserve as much healthy tooth structure as possible while addressing the problem efficiently. Today’s techniques prioritize precision and longevity, focusing on sealing the area of decay and reinforcing the remaining enamel and dentin.

Beyond simply repairing a cavity, a thoughtfully chosen filling can contribute to long-term oral health by preventing recurrent decay and avoiding more invasive procedures later on. The goal is always to restore function and appearance with the least interruption to your daily life.

A short history of restorative materials

Human attempts to treat teeth go back millennia, with archaeological evidence showing early forms of dental repair in ancient populations. Over centuries these efforts evolved into the variety of restorative materials and techniques available today.

In more recent history, metal-based materials like gold and amalgam offered durability and quick placement. While reliable for many decades, these options were limited in aesthetics. Advances in dental materials science have since produced tooth-colored alternatives that combine pleasing appearance with strong physical properties.

Our approach to durable, patient-focused care

Our office emphasizes conservative, evidence-based care that respects the natural tooth. Treatment is tailored to each patient’s needs: we remove diseased tissue carefully, preserve healthy structure, and select a restoration that balances strength and appearance.

We prioritize clear communication so you understand why a filling is recommended, what to expect during the appointment, and how to care for the restoration afterward. When appropriate, we’ll discuss material options and any factors that influence long-term success.

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Material Options: What’s New and What Works Best

Choosing a filling material involves weighing durability, appearance, and the location of the tooth. Front teeth and smile zones often benefit from tooth-colored materials, while back teeth require strength to withstand chewing forces.

Materials available today include resin-based composites, glass ionomers, ceramics, and traditional metals. Each has distinct advantages, and the right choice depends on the extent of decay, the tooth's role in the bite, and patient preferences.

Modern techniques allow many restorations to be placed with minimal removal of healthy tooth structure, and adhesive approaches can strengthen the remaining tooth. Your clinician will explain the rationale for their recommendation and help you understand trade-offs between longevity and aesthetics.

Common restorative materials and how they differ

  • Composite (tooth-colored) restorations

    Composite resins are a blend of resin and micro-fillers that bond to tooth structure, enabling conservative preparations. They are available in multiple shades so restorations blend with surrounding enamel and are commonly used for both front and back teeth.

    When bonded correctly, composites can reinforce a weakened tooth and provide excellent cosmetic results. They are sensitive to clinical technique, so placement requires careful isolation and layering to achieve a durable outcome.

  • Amalgam (silver-colored) restorations

    Amalgam has a long track record for strength and wear resistance, particularly in large restorations on molars. It can be a practical choice when durability is the primary concern.

    Although less commonly selected for visible areas today, amalgam remains a reliable option in certain clinical situations where longevity and resistance to heavy chewing forces are priorities.

  • Glass ionomer materials

    Glass ionomers form a chemical bond with tooth structure and release fluoride, which can help protect the tooth from further decay. They are often used in pediatric dentistry, near the gumline, or as temporary restorations.

    Because they are less wear-resistant than composite or ceramic, glass ionomers are typically chosen for areas with lower chewing stress or as a transitional material while more definitive treatment is planned.

  • Ceramic inlays and onlays

    Ceramic restorations are fabricated outside the mouth using high-strength porcelain and then bonded to the tooth. They offer excellent aesthetics and wear resistance and are an option when a larger portion of the biting surface needs replacement.

    Although they may require two appointments when fabricated in a dental laboratory, ceramics provide a very natural appearance and long-term stability when properly bonded.

  • Gold restorations

    Gold remains one of the most durable restorative materials, with favorable wear characteristics and biocompatibility. It is rarely chosen for visible areas today but can be an excellent long-term option for posterior restorations.

    Where selected, gold offers predictable performance and minimal adverse effects on surrounding tissues, though its appearance makes it a less common choice for patients prioritizing a natural look.

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How we decide which restoration is the right fit

Selecting the appropriate filling starts with a careful examination and a discussion about function, appearance, and the condition of the tooth. We consider factors such as how much healthy tooth remains, the location of the cavity, and how the tooth meets its opposing partner when you bite.

When multiple options are viable, we explain the pros and cons in straightforward terms so you can make an informed choice. Our focus is on durable solutions that protect the tooth and preserve your overall oral health while meeting your expectations for appearance.

In some cases, a restoration that covers more of the tooth (an inlay, onlay, or crown) is a better long-term solution than a direct filling. Whenever a more extensive restoration is advisable, we will describe why and how it differs from a simple filling.

What happens during a cavity treatment appointment

A typical visit to place a filling begins with diagnosis and treatment planning. Once the tooth is evaluated, the area is numbed so the procedure is comfortable. Modern local anesthetics and techniques allow most patients to remain relaxed and pain-free during treatment.

Decay is removed using fine instruments, and the cavity is shaped to support the chosen material. Depending on the material selected, the procedure may involve adhesive steps, layering, or bonding to achieve a tight seal and a stable restoration.

For nervous patients, we offer options to reduce anxiety and improve comfort. Your clinician will review anesthesia or sedation choices with you and plan each appointment to minimize stress while delivering high-quality care.

The clinician will check your bite and make any final adjustments to ensure comfortable chewing. A properly finished restoration should feel natural and allow you to return to normal eating and speaking habits quickly.

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Practical aftercare and signs to watch for

After a filling, it’s normal to feel some numbness for a short time; avoid chewing or using the numb side until normal sensation returns. Minor sensitivity to hot, cold, or pressure can occur for a few days as the tooth settles.

Maintaining excellent oral hygiene—brushing twice daily with a fluoride toothpaste and flossing once daily—helps protect the margins of the restoration and reduces the risk of future decay. Regular dental checkups and cleanings allow us to monitor the filling and the health of surrounding teeth and gums.

Be aware of warning signs that may require attention: persistent or worsening sensitivity, a sharp edge, difficulty biting, or any new pain. If you notice any of these symptoms, contact our office so we can evaluate the restoration and determine whether an adjustment or further treatment is needed.

At Callahan Family Dentistry, we are committed to helping you preserve your natural teeth with thoughtful, well-executed restorations. If you have questions about fillings or would like to discuss a recommended treatment, please contact us for more information.

Frequently Asked Questions

Are my teeth just sensitive, or do I have a cavity?

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If the pleasure of eating a delicious bowl of ice cream or sipping a soothing cup of tea gets overshadowed by dental pain that makes you wince; it's time to contact our office. As skilled providers of care, we'll determine what's causing your discomfort and perform the treatment required to alleviate your symptoms and get you back on the road to oral health.

What causes a cavity to develop?

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Cavities develop because of an infectious process that causes progressive damage to tooth structure. Despite starting as a pinpoint defect on the outermost enamel layer of your tooth, untreated dental decay progressively compromises more and more healthy tooth structure as it works its way to the inner layers of your tooth.

Can I still get a cavity if my tooth already has a filling?

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Yes, you can still develop tooth decay on other surfaces of the tooth, around the margins of an old filling, or in fewer instances, recurrent decay underneath it. For this reason, it's essential to maintain excellent oral hygiene, a diet low in sugary beverages and sweets, and be sure to visit our office for routine checkups and care. While tooth decay is second only to the common cold in frequency, it's almost entirely preventable.

Is it possible to have more than one filling done at the same visit?

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We value the time and comfort of our patients. If cavities are located on adjacent teeth, or in the same section of your smile, it may be possible to treat more than one tooth during your visit. However, how much is done each visit depends on several factors. We keep our patients well informed and tailor every treatment plan and visit to address their unique needs.

Are silver amalgam fillings safe?

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Addressing concerns on the presence of elemental mercury in silver fillings, the American Dental Association (ADA), The Center for Disease Control and Prevention (CDC), the FDA, and the World Health Organization have all stated that amalgam restorations do not pose a risk to health. However, individuals with allergies or sensitivities to the metals in dental amalgam are advised to pursue other restorative options.

Does it hurt to get a filling?

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Dental fillings are performed under local anesthesia to help ensure your comfort throughout the entire procedure. The involved tooth remains completely numb for the extent of your visit. Within one or two hours after the procedure is completed, the local anesthetic will gradually wear off, and normal sensations return.

When can I eat after my visit?

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A tooth-colored composite filling is fully hardened and set by the end of your visit. However, we may advise you to wait a couple of hours until the local anesthesia has completely worn off. This advice is to help ensure you don't accidentally bite your lip, cheek, or tongue while still numb.

How long do dental fillings last?

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The lifetime of a dental filling varies depending on the type of material used. While popular dental materials can last a decade or more with proper care, they can degrade over time, wear down, or even break. When this happens, you may experience some tooth sensitivity, a jagged edge, or a loose or dislodged piece of filling material. Whatever the case may be, it's essential to get the filling replaced before the tooth sustains further damage or other consequences arise. Beyond taking good care of your smile to help ensure the longevity of your fillings, our office regularly checks the status of your existing fillings as part of a routine checkup exam.

How much do fillings cost?

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Dental fillings are an essential investment that serves to preserve and protect the health of your smile. With that said, how much a filling costs depends on the number of surfaces of the tooth involved and the filling material that is used. Amalgam restorations are the most economical. While tooth-colored composite fillings have a slightly higher cost, they offer the added benefits of being metal-free and much more aesthetically pleasing. Ceramic fillings, inlays, and onlays are more expensive than the preceding options but provide outstanding, long-lasting, and natural-looking results.

Does dental insurance cover the cost of getting a filling?

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Dental insurances typically cover the cost of dental fillings. While we work with you to maximize your insurance benefits, there may still be an out-of-pocket expense. At the office of Callahan Family Dentistry, we strive to help you begin care without any additional financial stress or delay.

About Us

Our goal is to help every patient experience the benefits of good oral health and a beautiful smile. We value the trust you have placed in our office and strive to provide solutions that meet your dental needs and expectations of care.